public void testRinging() throws IllegalStateException {
phoneStateMachine.onRing();
assertTrue(phoneStateMachine.isRinging());
/*
* Although it is very unlikely that the phone will ring twice in a row, make sure that it still
* stays on the same state.
*/
phoneStateMachine.onRing();
assertTrue(phoneStateMachine.isRinging());
phoneStateMachine.onIdle();
assertTrue(phoneStateMachine.isIdle());
}
/** Test whether isRinging returns true only on cases where it should be true */
public void testIsRinging() {
assertFalse(phoneStateMachine.isRinging());
phoneStateMachine.onRing();
assertTrue(phoneStateMachine.isRinging());
phoneStateMachine.onOffhook();
assertFalse(phoneStateMachine.isRinging());
phoneStateMachine.onIdle();
assertFalse(phoneStateMachine.isRinging());
phoneStateMachine.onOffhook();
assertFalse(phoneStateMachine.isRinging());
}